Slavyanov, Krasimir. “FUZZY INFERENCE SYSTEM FOR INVESTMENT VALUE ASSESSMENT BASED ON HISTORICAL DATA”. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (June 22, 2024): 264–267. Accessed April 9, 2025. https://journals.ru.lv/index.php/ETR/article/view/8025.